What are the side effects of all those medical zaps? — -- intro: Over the past ten years, Jill Nelson, 52, a health coach, personal trainer and counselor in Chicago, has received at least seven ...

When doctors need detailed pictures of areas inside the body, they use a special type of X-ray called a computerized axial tomography scan, or CAT scan. Also known as a computerized tomography scan, ...

A new study has set off alarm bells, attributing the overuse of computed tomography – or CT – scans to around 5% of new cancer diagnoses annually. Since 2007, this imaging technology has seen a 30% ...

X-rays and CT scans have revolutionized medicine. Doctors can look inside the body and diagnose diseases even before people feel ill. But medical imaging that uses radiation comes at a cost. A new ...